<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <form method="post" action="http://localhost:8100" enctype="multipart/form-data">

    选择文件:
    <input type="file" name="f1" multiple/> input 必须设置 name 属性，否则数据无法发送<br />
    <br />
    标题：<input type="text" name="title" /><br /><br /><br />

    <button type="submit" id="btn-0">上 传</button>

  </form>
</body>

</html>